package com.example.zhangxin.menudialogtest_124zx;

import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private TextView tvinfo,tvmenu;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
    }

    private void init() {
        tvinfo=(TextView)findViewById(R.id.textView);
        tvmenu=(TextView)findViewById(R.id.textView2);
    }

    //创建选项菜单和子菜单
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater=getMenuInflater();//动态加载菜单
        inflater.inflate(R.menu.main,menu);

        return true;//结束
    }
    //响应选项菜单和子菜单点击事件
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId())
        {
            case R.id.menu1:tvinfo.setText("菜单1");
                showdialoog();//创建并显示对话框
                break;
            case R.id.menu2:tvinfo.setText("菜单2");
                break;
            case R.id.menu3:tvinfo.setText("菜单3");
                break;
            case R.id.menu4:tvinfo.setText("菜单4");
                break;
            case R.id.menu5:tvinfo.setText("菜单5");
                break;
            case R.id.menu6:tvinfo.setText("菜单6");
                break;
        }


        return super.onOptionsItemSelected(item);
    }

    //创建并显示对话框
    private void showdialoog() {
        //动态加载布局
        final View view=getLayoutInflater().inflate(R.layout.dialoglayout,null);
        AlertDialog dialog=new AlertDialog.Builder(this)//--1
            .setTitle("对话框标题")//--2
            .setIcon(R.mipmap.ic_launcher)//--3
                .setView(view)//--4自定义布局
            .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    //点击确定按钮要做的事情
                    EditText et=(EditText)view.findViewById( R.id.editText);
                    String str=et.getText().toString();
                    tvinfo.setText(str);
                }
            })
                .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //点击取消按钮的操作
                    }
                })
                //---5按钮操作
                .create();//---创建
        dialog.show();//----6显示

    }

}
